The lesson notes based on hydrogen fuel cell

Lesson nots about the different types of chemical reactions based on 2023 to 2025 specification

The common hazard signs that student know for the subject of chemistry.

The concise summary of redox reactions notes are based on new chemistry specification for Cambridge IGCSE .

Reinforcement worksheet based on Cambridge IGCSE for 2023-2025 including naming, chemical reactions and isomers.

The reinforcement worksheets are based on new syllabus content of Cambridge IGCSE and Cambridge O Level examinations. The worksheets cover up the topics of formulae, functional groups, isomers, naming and fuel.

The supportive practical booklet for Cambridge O Level Chemistry is based on all the types of experiments which are possible to appear in paper . As well the booklet provide the common guidance for setting practicals too. This booklet provide enough knowledge for internal laboratory paper and alternative to practical paper.

Lesson notes based on the Cambridge IGCSE chemistry specification

The worksheet based on new chemistry ( Cambridge 2023-2025) -0620 specification.

The summary notes cover the topic based on concepts of formulae, equations and amount of substance with examples in according to the new specification. The notes are included the most confusing questions which commonly appear in papers with answers.

The notes include the followings: • Definitions and concept of synthetic polymers • Addition polymers • Drawing the repeat unit of an addition polymer, including poly(ethene), poly(propene), poly(chloroethene) and (poly)tetrafluoroethene • Deducing the structure of a monomer from the repeat unit of an addition polymer • Explaining problems in the disposal of addition polymers, including:their inertness and inability to biodegrade and the production of toxic gases when they are burned. • Condensation polymerisation, in which a dicarboxylic acid reacts with a diol, produces a polyester and water • Writing the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is formed including the reaction of ethanedioic acid and ethanediol • Learning about biopolyesters

The lesson note covers : Properties of alcohols Naming of alcohols Isomers Chemical reactions of alcohols Manufacturing ethanol Uses of alcohols

The practice mole workbook is based on the Cambridge O/L new syllabus covering up the following areas. 1 . writing Formulae , word equation, symbol equation and ionic equations 2.Calculating relative formula mass(molar mass) and percentage by mass 3.Calculating moles, molecules , atoms and mass of chemical compound 4.Calculating the moles and volume of gases 5.Calculating the concentration , moles and volume of solutions 6. Calculating the moles, molecules and atoms ( calculations with Avogadro Constant) 7.Calculating empirical formula and molecular formula. 8. Percentage purity and percentage yield 9. Calculating of reacting masses , excess and limiting reagents and prediction of the quantity of reactants and masses 10. Calculations problems related with titrations 11. Answers

The reinforcement exam style revision questions are based on new specification and are included addition and condensation polymers.

The reinforcement worksheet is based on new specification and the topics homologous series, naming and formulae of basic concepts of organic chemistry are included . The chapter crude oil and cracking and fractional distillation of crude oil is added to the introduction because most of questions are linked between two chapters.

The reinforcement worksheets with exam style questions to practice naming, chemical reactions and addition reactions.

The reinforcement worksheet of exam style questions is based on the specification and is included the questions on properties, chemical reactions , manufacturing and uses.

The reinforcement revision worksheet is based on the topic polymers and polymerisation of the new specification of Cambridge IGCSE and Cambridge O levels. The worksheet provide and basic concept of polymerisation and how to draw seen or unseen polymers according to the given monomers.

The reinforcement revision worksheet is based on the topic carboxylic of the Cambridge IGCSE and Cambridge O levels new specification.

The reinforcement worksheets are based on the topic alcohol based on new syllabus content from 2023 to 2025. The worksheets cover up the naming, reactions and manufacturing alcohol .